1972 01 27.32  21.35  24.33 
1972 02 27.50  21.08  24.29 
1972 03 27.82  21.31  24.56 
1972 04 28.40  22.41  25.40 
1972 05 29.06  22.65  25.85 
1972 06 29.30  23.99  26.64 
1972 07 29.14  24.63  26.88 
1972 08 29.09  23.89  26.49 
1972 09 29.13  23.02  26.07 
1972 10 29.42  22.62  26.02 
1972 11 28.90  23.44  26.17 
1972 12 29.40  21.71  25.55 
1973 01 28.98  22.98  25.98 
1973 02 28.95  21.77  25.36 
1973 03 29.07  22.56  25.81 
1973 06 30.68  24.95  27.81 
1973 07 30.95  24.82  27.88 
1973 08 30.75  25.13  27.93 
1973 09 30.75  24.37  27.56 
1973 10 30.92  24.44  27.68 
1973 11 31.05  23.87  27.46 
1974 11 28.42  22.78  25.60 
1974 12 28.29  22.36  25.32 
1975 01 26.74  21.31  24.02 
1975 03 28.23  22.34  25.28 
1975 04 28.63  22.67  25.65 
1975 05 29.36  23.58  26.47 
1975 06 29.78  24.81  27.29 
1975 07 29.87  24.77  27.32 
1975 08 30.41  25.23  27.82 
1975 09 30.30  24.60  27.45 
1975 10 29.89  24.39  27.14 
1975 11 29.38  23.31  26.34 
1975 12 27.31 -99.99 -99.99 
1976 01 26.98  21.09  24.03 
1976 02 27.05  20.84  23.94 
1976 07 30.38  25.14  27.75 
1976 09 30.68  24.09  27.38 
1976 10 30.13  23.71  26.91 
1976 11 30.04  23.61  26.82 
1976 12 28.84 -99.99 -99.99 
1977 01 28.91  21.81  25.36 
1977 02 29.03  21.96  25.49 
1977 03 29.04  22.32  25.68 
1977 04 28.64  22.41  25.52 
1977 05 30.13  24.03  27.08 
1977 06 30.08  24.94  27.51 
1977 08 30.49  24.72  27.60 
1977 09 30.77  24.76  27.76 
1977 10 30.80  24.50  27.65 
1977 11 30.08  23.05  26.56 
1977 12 28.90  22.97  25.93 
1978 01 28.22  22.13  25.17 
1978 06 30.82  25.60  28.21 
1978 07 30.39  25.43  27.91 
1978 09 31.57  24.48  28.02 
1978 10 30.76  23.90  27.33 
1979 05 29.44  23.27  26.35 
1979 06 30.50  24.48  27.49 
1979 07 30.78  24.31  27.54 
1979 08 31.14  25.64  28.39 
1979 09 30.48  24.26  27.37 
1979 10 31.62  24.21  27.91 
1979 11 29.96  23.62  26.79 
1979 12 28.77  23.17  25.97 
1980 01 28.56  22.08  25.32 
1980 02 28.61  21.65  25.13 
1980 10 31.96 -99.99 -99.99 
1980 11 31.27 -99.99 -99.99 
1981 01 29.87  21.05  25.46 
1981 02 28.45  21.70  25.07 
1981 03 29.30  22.09  25.69 
1981 07 30.96  23.31  27.13 
1981 08 31.47 -99.99 -99.99 
1981 09 32.03  22.87  27.45 
1981 12 29.01  21.54  25.27 
1982 01 28.50  21.54  25.02 
1982 02 28.09  22.33  25.21 
1982 03 99.99  22.20 -99.99 
1982 04 99.99  22.61 -99.99 
1982 05 99.99  23.78 -99.99 
1982 06 99.99  24.32 -99.99 
1982 07 99.99  23.44 -99.99 
1982 08 99.99  22.71 -99.99 
1982 09 99.99  23.09 -99.99 
1982 10 31.22  24.33  27.77 
1982 11 29.93  23.23  26.58 
1982 12 28.13  21.73  24.93 
1983 01 28.81  21.71  25.25 
1983 02 29.37  20.86  25.11 
1983 03 30.10  22.30  26.20 
1983 04 29.61  21.71  25.66 
1983 05 30.48  22.22  26.34 
1983 06 31.73  22.18  26.95 
1983 07 31.04  23.00  27.02 
1983 08 31.31  22.94  27.12 
1983 09 31.41  22.29  26.85 
1983 10 31.06  21.43  26.24 
1983 11 30.14  21.47  25.80 
1983 12 28.89  23.31  26.09 
1984 01 28.12  22.31  25.21 
1984 02 27.99  22.14  25.06 
1984 03 28.37  22.14  25.25 
1984 04 29.72  23.27  26.49 
1984 05 29.51  23.92  26.71 
1984 06 30.49  25.11  27.80 
1984 07 29.94  25.00  27.47 
1984 08 30.41  24.70  27.55 
1984 09 30.66  23.51  27.08 
1984 10 30.67  23.22  26.94 
1984 11 28.85  22.98  25.91 
1984 12 28.11 -99.99 -99.99 
1985 01 27.88  21.85  24.86 
1985 02 28.23  21.50  24.86 
1985 03 27.94  21.31  24.62 
1985 04 28.78  21.63  25.20 
1985 05 29.94  24.13  27.03 
1985 06 30.88  24.85  27.86 
1985 07 30.88  24.83  27.85 
1985 08 30.82  25.27  28.04 
1985 09 31.18  24.39  27.78 
1985 10 30.11  22.88  26.49 
1985 11 29.47  21.96  25.71 
1985 12 28.65  20.63  24.64 
1986 01 28.25  19.50  23.87 
1986 02 29.09  19.90  24.49 
1986 03 28.96 -99.99 -99.99 
1986 04 29.87  23.10  26.48 
1986 05 30.42  23.25  26.83 
1986 06 30.20  24.25  27.22 
1986 07 30.80  25.26  28.03 
1986 08 30.87  25.08  27.97 
1986 09 30.88  24.76  27.82 
1986 10 31.22  24.26  27.74 
1986 11 29.49  23.10  26.29 
1986 12 29.43  22.35  25.89 
1987 01 29.51  21.39  25.45 
1987 02 28.94  20.82  24.88 
1987 03 99.99  21.15 -99.99 
1987 04 99.99  22.98 -99.99 
1987 05 99.99  23.37 -99.99 
1987 09 32.41  24.88  28.64 
1987 10 31.87  24.49  28.18 
1987 11 30.68  23.29  26.98 
1987 12 29.62  22.98  26.30 
1988 01 28.41  21.28  24.84 
1988 02 28.13  21.29  24.71 
1988 03 28.61  21.38  24.99 
1988 05 30.64  23.74  27.18 
1988 06 31.42  24.49  27.95 
1988 07 30.84  23.68  27.26 
1988 08 30.51  22.74  26.62 
1988 09 30.94  23.22  27.08 
1988 10 30.89  22.89  26.89 
1988 11 30.07  22.17  26.12 
1989 01 28.21  20.37  24.29 
1989 06 29.48  25.14  27.31 
1989 07 30.39  25.69  28.04 
1989 08 30.81  25.29  28.05 
1989 11 29.93  24.70  27.31 
1989 12 29.28  23.14  26.21 
1990 01 27.93  22.04  24.98 
1990 02 27.55  21.16  24.35 
1990 04 28.77  22.24  25.50 
1990 07 30.41 -99.99 -99.99 
1990 08 31.01  22.89  26.95 
1990 09 31.53 -99.99 -99.99 
1990 10 30.84  23.41  27.12 
1990 11 30.32 -99.99 -99.99 
1990 12 28.31 -99.99 -99.99 
1991 02 28.54 -99.99 -99.99 
1991 03 28.70 -99.99 -99.99 
1991 06 30.85  23.46  27.15 
1991 07 30.32  24.01  27.16 
1991 08 30.84 -99.99 -99.99 
1991 09 31.33  24.08  27.70 
1991 10 30.58 -99.99 -99.99 
1991 11 29.20 -99.99 -99.99 
1991 12 27.63 -99.99 -99.99 
1992 01 27.75  22.49  25.12 
1992 02 28.49  21.65  25.07 
1992 03 29.18  22.91  26.04 
1992 04 29.74  23.91  26.82 
1992 05 30.14  23.95  27.04 
1992 06 30.65  25.76  28.20 
1992 07 99.99  25.41 -99.99 
1992 08 31.67  25.11  28.39 
1992 09 30.98  25.35  28.16 
1992 10 31.84  24.71  28.27 
1992 11 29.60  24.01  26.80 
1992 12 29.03  23.16  26.09 
1993 01 27.78  22.51  25.14 
1993 02 28.00  22.00  25.00 
1993 03 28.42  22.03  25.22 
1993 04 29.74  23.68  26.71 
1993 06 30.46  25.98  28.22 
1993 07 30.73  25.77  28.25 
1993 08 30.84  26.05  28.44 
1993 09 31.23  25.69  28.46 
1993 10 31.48  25.35  28.41 
1993 11 30.00  24.65  27.32 
1993 12 29.48  23.20  26.34 
1994 01 28.83  22.86  25.84 
1994 02 28.12  22.67  25.39 
1994 03 99.99  22.27 -99.99 
1994 04 99.99  22.68 -99.99 
1994 05 30.37  24.70  27.53 
1994 07 30.34  25.33  27.83 
1994 08 30.55  25.85  28.20 
1994 09 30.18  24.92  27.55 
1994 10 30.92  24.80  27.86 
1994 11 30.00  24.18  27.09 
1995 01 28.64  22.44  25.54 
1995 02 29.19  22.60  25.89 
1995 03 28.21  22.38  25.29 
1995 04 29.22  23.60  26.41 
1995 05 30.97  24.75  27.86 
1995 06 30.93  25.63  28.28 
1995 07 31.15  25.50  28.32 
2006 03 28.92  24.20  26.56 
2006 04 30.42  26.53  28.47 
2006 05 31.21  27.68  29.44 
2006 06 31.22  28.31  29.76 
2006 07 30.82  28.06  29.43 
2006 08 31.25  28.61  29.93 
2006 09 31.64  28.90  30.27 
2006 10 31.43  28.67  30.05 
2006 11 30.91  27.85  29.38 
2006 12 29.31  26.52  27.91 
2007 01 27.85  24.58  26.21 
2007 02 28.88  24.96  26.91 
2007 03 29.38  25.49  27.43 
2007 04 30.07  26.40  28.23 
2007 05 31.05  27.69  29.37 
2007 06 31.38  28.08  29.73 
2007 07 31.64  28.38  30.00 
2007 08 31.63  28.39  30.00 
2007 09 32.31  29.03  30.67 
2007 10 31.65  27.89  29.77 
2007 11 31.05  27.32  29.18 
2008 08 30.86  26.43  28.64 
2008 09 30.41  25.13  27.77 
2008 10 30.03  25.31  27.67 
2008 11 29.11  24.80  26.95 
2008 12 27.45  23.65  25.55 
2009 01 27.43  23.72  25.57 
2009 03 26.49  22.77  24.63 
2009 04 27.99  24.02  26.00 
2009 05 28.78  24.93  26.85 
2009 07 30.53 -99.99 -99.99 
2009 09 30.74 -99.99 -99.99 
2009 10 30.41  26.14  28.27 
2009 11 29.83  25.46  27.64 
2010 02 29.21  24.02  26.61 
2010 03 29.50  25.21  27.35 
2010 04 29.20  25.36  27.28 
2010 05 30.28  26.08  28.18 
2010 07 30.63  26.72  28.67 
2010 09 30.91  26.58  28.74 
2010 10 30.23  25.52  27.87 
2010 11 28.68  25.16  26.92 
2010 12 27.80  23.64  25.72 
2011 01 27.69  23.96  25.82 
2011 02 27.38  23.04  25.21 
2011 03 25.82  22.17  23.99 
2011 04 27.98  23.29  25.63 
2011 05 29.19  24.32  26.75 
2011 07 30.29  25.77  28.03 
2011 08 30.54  26.33  28.43 
2011 09 30.85  26.26  28.55 
2011 10 30.65  26.25  28.45 
2011 11 29.50  25.13  27.31 
2011 12 28.06  24.54  26.30 
2012 02 27.62  23.64  25.63 
2012 03 27.44  23.94  25.69 
2012 04 28.47  24.55  26.50 
2012 05 29.41  25.59  27.50 
2012 07 30.54  26.68  28.61 
2012 09 31.05  26.12  28.58 
2012 10 30.74  26.10  28.42 
2013 03 27.99  23.31  25.65 
2013 09 31.15  26.59  28.87 
2014 02 28.03  23.90  25.96 
